Year-to-year change in primary energy from fossil fuels vs. in CIS (EI)
CIS (EI): Year-to-year change in primary energy from fossil fuels vs. was 10.01 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
10.01 terawatt-hours
Change on year
down 66.9%
Rank
2nd
of 2 groups
All-time high
120.82 terawatt-hours
in 1984
All-time low
-127.72 terawatt-hours
in 1985
Years of data
60
1966–2025
Year-to-year change in primary energy from fossil fuels vs. low-carbon energy in CIS (EI), 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
CIS (EI) recorded 10.01 terawatt-hours for year-to-year change in primary energy from fossil fuels vs. low-carbon energy in 2025.
That represents a change of down 66.9% on the previous year and down 74.7% over ten years.
Over the whole period, year-to-year change in primary energy from fossil fuels vs. low-carbon energy in CIS (EI) peaked at 120.82 terawatt-hours in 1984 and was at its lowest, -127.72 terawatt-hours, in 1985.
The series is highly variable year to year, so single readings are best treated with caution.
Year-to-year change in primary energy from fossil fuels vs. in CIS (EI), year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 11.01 terawatt-hours | — |
| 1967 | -2.68 terawatt-hours | -124.3% |
| 1968 | 18.13 terawatt-hours | -777.6% |
| 1969 | 12.65 terawatt-hours | -30.2% |
| 1970 | 11.49 terawatt-hours | -9.2% |
| 1971 | 4.75 terawatt-hours | -58.7% |
| 1972 | 10.27 terawatt-hours | +116.3% |
| 1973 | 13.01 terawatt-hours | +26.7% |
| 1974 | 31.35 terawatt-hours | +141.0% |
| 1975 | 15.64 terawatt-hours | -50.1% |
| 1976 | 38.65 terawatt-hours | +147.1% |
| 1977 | 50.3 terawatt-hours | +30.2% |
| 1978 | 27.03 terawatt-hours | -46.3% |
| 1979 | 24 terawatt-hours | -11.2% |
| 1980 | 55.27 terawatt-hours | +130.2% |
| 1981 | 42.7 terawatt-hours | -22.7% |
| 1982 | 27.83 terawatt-hours | -34.8% |
| 1983 | 39.45 terawatt-hours | +41.8% |
| 1984 | 120.82 terawatt-hours | +206.3% |
| 1985 | -127.72 terawatt-hours | -205.7% |
| 1986 | 11.38 terawatt-hours | -108.9% |
| 1987 | 65.59 terawatt-hours | +476.3% |
| 1988 | 40.04 terawatt-hours | -39.0% |
| 1989 | -11.55 terawatt-hours | -128.8% |
| 1990 | -46.29 terawatt-hours | +300.8% |
| 1991 | 6.89 terawatt-hours | -114.9% |
| 1992 | 3.22 terawatt-hours | -53.2% |
| 1993 | 5.18 terawatt-hours | +60.5% |
| 1994 | -61.17 terawatt-hours | -1281.9% |
| 1995 | -0.8294 terawatt-hours | -98.6% |
| 1996 | 13.4 terawatt-hours | -1715.4% |
| 1997 | -4.08 terawatt-hours | -130.5% |
| 1998 | -14.69 terawatt-hours | +259.5% |
| 1999 | 61.04 terawatt-hours | -515.7% |
| 2000 | 32.1 terawatt-hours | -47.4% |
| 2001 | 28.01 terawatt-hours | -12.7% |
| 2002 | 5.77 terawatt-hours | -79.4% |
| 2003 | 25.69 terawatt-hours | +345.0% |
| 2004 | 4.45 terawatt-hours | -82.7% |
| 2005 | 13.68 terawatt-hours | +207.2% |
| 2006 | 19.97 terawatt-hours | +46.0% |
| 2007 | 16.14 terawatt-hours | -19.2% |
| 2008 | -10.74 terawatt-hours | -166.5% |
| 2009 | 12.52 terawatt-hours | -216.6% |
| 2010 | 19.81 terawatt-hours | +58.2% |
| 2011 | 3.92 terawatt-hours | -80.2% |
| 2012 | 12.91 terawatt-hours | +229.4% |
| 2013 | 1.28 terawatt-hours | -90.1% |
| 2014 | 18.15 terawatt-hours | +1319.2% |
| 2015 | 39.57 terawatt-hours | +118.0% |
| 2016 | 23.1 terawatt-hours | -41.6% |
| 2017 | 26.01 terawatt-hours | +12.6% |
| 2018 | 7.32 terawatt-hours | -71.8% |
| 2019 | 19.72 terawatt-hours | +169.2% |
| 2020 | 42.25 terawatt-hours | +114.3% |
| 2021 | 40.86 terawatt-hours | -3.3% |
| 2022 | -8.86 terawatt-hours | -121.7% |
| 2023 | 10.9 terawatt-hours | -223.0% |
| 2024 | 30.23 terawatt-hours | +177.4% |
| 2025 | 10.01 terawatt-hours | -66.9% |
Biggest year-on-year movements
Years where Year-to-year change in primary energy from fossil fuels vs. in CIS (EI) changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1996 | +1715.4% | -0.8294 terawatt-hours | 13.4 terawatt-hours |
| 2014 | +1319.2% | 1.28 terawatt-hours | 18.15 terawatt-hours |
| 1994 | -1281.9% | 5.18 terawatt-hours | -61.17 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 9.78 terawatt-hours | -2.68 terawatt-hours | 18.13 terawatt-hours | 4 |
| 1970s | 22.65 terawatt-hours | 4.75 terawatt-hours | 50.3 terawatt-hours | 10 |
| 1980s | 26.38 terawatt-hours | -127.72 terawatt-hours | 120.82 terawatt-hours | 10 |
| 1990s | -3.73 terawatt-hours | -61.17 terawatt-hours | 61.04 terawatt-hours | 10 |
| 2000s | 14.76 terawatt-hours | -10.74 terawatt-hours | 32.1 terawatt-hours | 10 |
| 2010s | 17.18 terawatt-hours | 1.28 terawatt-hours | 39.57 terawatt-hours | 10 |
| 2020s | 20.9 terawatt-hours | -8.86 terawatt-hours | 42.25 terawatt-hours | 6 |
Countries ranked near CIS (EI)
More climate change data for CIS (EI)
- Electricity generation from low-carbon sources 526.44 terawatt-hours (2025)
- Share of electricity generation from low-carbon sources 33.7% (2025)
- Electricity generation from low-carbon sources, annual growth rate 0.0637 % change on previous year (2025)
- Share of primary energy from low-carbon energy 9.1% (2025)
- Share of primary energy that is low-carbon vs. GDP per capita 9.1% (2025)
- Annual change in primary energy from low-carbon energy 10.01 terawatt-hours (2025)
- Annual percentage change in primary energy from low-carbon energy 1.0% (2025)
- Primary energy from low-carbon energy 1,024 terawatt-hours (2025)
Frequently asked questions
- What is year-to-year change in primary energy from fossil fuels vs. low-carbon energy in CIS (EI)?
- Year-to-year change in primary energy from fossil fuels vs. low-carbon energy in CIS (EI) was 10.01 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest year-to-year change in primary energy from fossil fuels vs. low-carbon energy recorded in CIS (EI)?
- The highest recorded value was 120.82 terawatt-hours in 1984.
- What is the lowest year-to-year change in primary energy from fossil fuels vs. low-carbon energy recorded in CIS (EI)?
- The lowest recorded value was -127.72 terawatt-hours in 1985.
- How does CIS (EI) rank for year-to-year change in primary energy from fossil fuels vs. low-carbon energy?
- CIS (EI) ranks 2nd out of 2 groups with data for 2025.
- Is year-to-year change in primary energy from fossil fuels vs. low-carbon energy rising or falling in CIS (EI)?
- Over the last ten years it is down 74.7%. The long-run trend across the full record is volatile.
- Where does this CIS (EI) data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Year-to-year change in primary energy from fossil fuels vs. low-carbon energy. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.